Arctic blast round two, but is it a polar vortex?

Another blast of frigid temperatures are set to hit the Midwest and Northeast this week, giving buzz to the dreaded phrase "polar vortex."

http://archive.freep.com/VideoNetwork/3083621114001/Arctic-blast-round-two-but-is-it-a-polar-vortex-http://bc_gvpc_od-f.akamaihd.net/media/963482463001/201401/3436/963482463001_3083512724001_f11ef47f-dc6f-4b78-acf0-27b92ef06719.mp4?pubId=35547428001&videoId=3083621114001http://archive.freep.com/VideoNetwork/3083621114001/Arctic-blast-round-two-but-is-it-a-polar-vortex-http://bc_gvpc.edgesuite.net/img/963482463001/201401/1212/963482463001_3083042065001_thumbnail-for-video-3083515424001.jpgArctic blast round two, but is it a polar vortex?Another blast of frigid temperatures are set to hit the Midwest and Northeast this week, giving buzz to the dreaded phrase "polar vortex."151travelbestPOLAR VORTEXweather forecastforecastWinter Stormweathernational weathertaboolaexcludehomepagecarouselVPCWXarctic blast01:54